Biologically active peptides and compositions, their use

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai

Reexamination Certificate

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C514S018700, C514S411000, C530S331000

Reexamination Certificate

active

07410951

ABSTRACT:
Derivatives of hemiasterlin or Geodiamolide G having anti-mitotic activities and useful in treating cancer. These derivatives are represented by formula Iwherein Y, n, R1, R2, R3, R7, R70, R71, R72, R74, and R75are as defined in the specification.

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